static FcBool
FcCacheIsMmapSafe (int fd)
{
enum {
MMAP_NOT_INITIALIZED = 0,
MMAP_USE,
MMAP_DONT_USE,
MMAP_CHECK_FS,
} status;
static void *static_status;
status = (intptr_t) fc_atomic_ptr_get (&static_status);
if (status == MMAP_NOT_INITIALIZED)
{
const char *env = getenv ("FONTCONFIG_USE_MMAP");
FcBool use;
if (env && FcNameBool ((const FcChar8 *) env, &use))
status = use ? MMAP_USE : MMAP_DONT_USE;
else
status = MMAP_CHECK_FS;
(void) fc_atomic_ptr_cmpexch (&static_status, NULL, (void *) status);
}
if (status == MMAP_CHECK_FS)
return FcIsFsMmapSafe (fd);
else
return status == MMAP_USE;
}
static FcValue
FcNameConvert (FcType type, FcChar8 *string)
{
FcValue v;
FcMatrix m;
double b, e;
char *p;
v.type = type;
switch ((int) v.type) {
case FcTypeInteger:
if (!FcNameConstant (string, &v.u.i))
v.u.i = atoi ((char *) string);
break;
case FcTypeString:
v.u.s = FcStrdup (string);
if (!v.u.s)
v.type = FcTypeVoid;
break;
case FcTypeBool:
if (!FcNameBool (string, &v.u.b))
v.u.b = FcFalse;
break;
case FcTypeDouble:
v.u.d = strtod ((char *) string, 0);
break;
case FcTypeMatrix:
FcMatrixInit (&m);
sscanf ((char *) string, "%lg %lg %lg %lg", &m.xx, &m.xy, &m.yx, &m.yy);
v.u.m = FcMatrixCopy (&m);
break;
case FcTypeCharSet:
v.u.c = FcNameParseCharSet (string);
if (!v.u.c)
v.type = FcTypeVoid;
break;
case FcTypeLangSet:
v.u.l = FcNameParseLangSet (string);
if (!v.u.l)
v.type = FcTypeVoid;
break;
case FcTypeRange:
if (sscanf ((char *) string, "(%lg %lg)", &b, &e) != 2)
{
v.u.d = strtod ((char *) string, &p);
if (p != NULL && p[0] != 0)
{
v.type = FcTypeVoid;
break;
}
v.type = FcTypeDouble;
}
else
v.u.r = FcRangeCreateDouble (b, e);
break;
default:
break;
}
return v;
}
static FcValue
FcNameConvert (FcType type, FcChar8 *string)
{
FcValue v;
FcMatrix m;
v.type = type;
switch ((int) v.type) {
case FcTypeInteger:
if (!FcNameConstant (string, &v.u.i))
v.u.i = atoi ((char *) string);
break;
case FcTypeString:
v.u.s = FcStrdup (string);
if (!v.u.s)
v.type = FcTypeVoid;
break;
case FcTypeBool:
if (!FcNameBool (string, &v.u.b))
v.u.b = FcFalse;
break;
case FcTypeDouble:
v.u.d = strtod ((char *) string, 0);
break;
case FcTypeMatrix:
FcMatrixInit (&m);
sscanf ((char *) string, "%lg %lg %lg %lg", &m.xx, &m.xy, &m.yx, &m.yy);
v.u.m = FcMatrixCopy (&m);
break;
case FcTypeCharSet:
v.u.c = FcNameParseCharSet (string);
if (!v.u.c)
v.type = FcTypeVoid;
break;
case FcTypeLangSet:
v.u.l = FcNameParseLangSet (string);
if (!v.u.l)
v.type = FcTypeVoid;
break;
default:
break;
}
return v;
}
static FcValue
FcNameConvert (FcType type, FcChar8 *string, FcMatrix *m)
{
FcValue v;
v.type = type;
switch (v.type) {
case FcTypeInteger:
if (!FcNameConstant (string, &v.u.i))
v.u.i = atoi ((char *) string);
break;
case FcTypeString:
v.u.s = string;
break;
case FcTypeBool:
if (!FcNameBool (string, &v.u.b))
v.u.b = FcFalse;
break;
case FcTypeDouble:
v.u.d = strtod ((char *) string, 0);
break;
case FcTypeMatrix:
v.u.m = m;
sscanf ((char *) string, "%lg %lg %lg %lg", &m->xx, &m->xy, &m->yx, &m->yy);
break;
case FcTypeCharSet:
v.u.c = FcNameParseCharSet (string);
break;
case FcTypeLangSet:
v.u.l = FcNameParseLangSet (string);
break;
default:
break;
}
return v;
}